Johnston Ridge Observatory

Portland showing views, signage and an observatory
Johnston Ridge Observatory showing tranquil scenes, mountains and views
Mount St. Helens showing views, landscape views and mountains
Johnston Ridge Observatory featuring landscape views, mist or fog and mountains
Portland showing desert views, a river or creek and tranquil scenes


In the heart of the volcano blast zone, enjoy stunning views of Mount St. Helens, listen to ranger talks, hike through the wilderness or watch an informational film.

Get a close view of Mount St. Helens at Johnston Ridge Observatory. Visit the blast zone of the volcano and learn all about its famous eruption in 1980. The observatory stands in the heart of Gifford Pinchot National Forest, about 70 miles (110 kilometers) north of Portland, Oregon.

Johnston Ridge Observatory is located next to the site where volcanologist David A. Johnston set up camp on the morning of the 1980 eruption. Although Johnston did not survive the blast, his name lives on at the observatory. Learn and explore throughout the site of this remarkable geological event.

Look out across the vast, craggy landscape where lava flowed freely not too long ago. Check out the informative displays around the blast zone to discover the area’s history and the geological forces at work. Read eyewitness accounts of the explosion and learn more about the science of monitoring volcanic activity.

Inside the observatory, watch an informative movie about the blast and the area. Learn about volcanoes and this specific site from knowledgeable professionals. A 0.5-mile (0.8-kilometer) trail offers excellent views across the blast zone.

Enjoy stunning observations of Mount St. Helens, including the crater, lava dome and pumice plains. Check out the emerald-colored Meta Lake and one of North America’s longest lava tubes. Also watch for animals native to the area, such as mountain goats, Roosevelt elk and Columbian blacktail deer.

Explore the surrounding area of Mount St. Helens National Volcanic Monument. Participate in a ranger-led educational program. Hike or cross-country ski along the winding trails and camp or fish in quiet solitude.

Amenities are limited at Johnston Ridge Observatory. Find shops, restaurants and lodging in surrounding towns, such as Castle Rock or Napavine.

Visit Johnston Ridge Observatory daily between mid-May and October. Most of the trails open in June, although some on a lower elevation can be hiked year-round. Although there is an entry fee to visit the observatory, there is no fee to drive within Mount St. Helens National Volcanic Monument.

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